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Vocal fold vibratory patterns: Comparison of film and inverse filtering

By: Childers, D.; Krishnamurthy, A.;

1981 / IEEE

Description

This item was taken from the IEEE Periodical ' Vocal fold vibratory patterns: Comparison of film and inverse filtering ' This paper describes a system for the automatic measurement of numerous vibratory parameters of the vocal cord from high speed films. Our new system, which is an extension of our earlier work, has a much higher gray level range and spatial resolution (256 gray levels, 640�80 pixels) as compared to the previous system (8 gray levels, 90�5 pixels). We present the parameters measured for a typical normal larynx phonating a vowel and compare these parameters with the volume velocity derived by inverse filtering the same utterance by the same subject. This comparison has not been previously reported.